42103243 has 8 divisors (see below), whose sum is σ = 51819488. Its totient is φ = 33312384.

The previous prime is 42103231. The next prime is 42103249. The reversal of 42103243 is 34230124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-42103243 is a prime.

It is a super-2 number, since 2×42103243² = 3545366142234098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42103243.

It is not an unprimeable number, because it can be changed into a prime (42103249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231246 + ... + 231427.

It is an arithmetic number, because the mean of its divisors is an integer number (6477436).

Almost surely, 2^42103243 is an apocalyptic number.

42103243 is a deficient number, since it is larger than the sum of its proper divisors (9716245).

42103243 is a wasteful number, since it uses less digits than its factorization.

42103243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462693.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 42103243 is about 6488.7011797431. The cubic root of 42103243 is about 347.8872531881.

Adding to 42103243 its reverse (34230124), we get a palindrome (76333367).

It can be divided in two parts, 42 and 103243, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 42103243 in words is "forty-two million, one hundred three thousand, two hundred forty-three".